docker-compose + nginx(openresty) 实现 简单灰度 (二)

这篇文章基于 :    https://www.jianshu.com/p/4b5da484d339     [      docker-compose + nginx 实现 简单灰度 (一)     ]

nginx换成 openresty之后的版本:

docker-compose.yml 内容:

version: '3'

services:

  myjava1:

  image: registry.cn-hangzhou.aliyuncs.com/wuy2009123/tomcat8-1

  container_name: myjava1

  ports:

    - 8081:8080

  volumes:

    - /root/tom/java-docker-compose/tomcat-users.xml:/usr/local/tomcat8/conf/tomcat-users.xml

    - /root/tom/java-docker-compose/manager.xml:/usr/local/tomcat8/conf/Catalina/localhost/manager.xml

    - /root/tom/java-docker-compose/index1.html:/usr/local/tomcat8/webapps/ROOT/index.html

  command: ["catalina.sh","run"]

  networks:

    myjavanet:

  myjava2:

  image: registry.cn-hangzhou.aliyuncs.com/wuy2009123/tomcat8-1

  container_name: myjava2

  ports:

    - 8082:8080

  volumes:

    - /root/tom/java-docker-compose/tomcat-users.xml:/usr/local/tomcat8/conf/tomcat-users.xml

    - /root/tom/java-docker-compose/manager.xml:/usr/local/tomcat8/conf/Catalina/localhost/manager.xml

    - /root/tom/java-docker-compose/index2.html:/usr/local/tomcat8/webapps/ROOT/index.html

  command: ["catalina.sh","run"]

  networks:

    myjavanet:

  openresty:

  image: registry.cn-hangzhou.aliyuncs.com/wuy2009123/openresty-1

  ports:

    - 88:80

  volumes:

    - /root/tom/java-docker-compose/nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf

  networks:

    myjavanet:

networks:

  myjavanet:

    driver: bridge

    ipam:

      config:

        - subnet: 192.138.0.0/16

nginx.conf 内容:

#user nobody;

worker_processes  1;

#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;

#pid        logs/nginx.pid;

events {

    worker_connections  1024;

}

http {

    include      mime.types;

    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

    #                  '$status $body_bytes_sent "$http_referer" '

    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;

    #tcp_nopush    on;

    #keepalive_timeout  0;

    keepalive_timeout  65;

    #gzip  on;

upstream mywebold {

          server myjava1:8080 weight=1;

    }

    upstream mywebnew {

        server myjava2:8080 weight=1;

    }

    server {

        listen      80;

        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

set $weburl mywebold;

        if ($remote_addr ~* "^192\.168\.203\.146$") {

          set $weburl mywebnew;

        }

        add_header Myip $remote_addr; #加个自定义头，看效果

        #location / {

        #    root  html;

        #    index  index.html index.htm;

        #}

location / {

            proxy_set_header Host $host;

            proxy_set_header X-Real-IP $remote_addr;

            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

            proxy_buffering off;

            proxy_pass http://$weburl;

        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html

        #

        error_page  500 502 503 504  /50x.html;

        location = /50x.html {

            root  html;

        }

    }

}